for the following products
(S)-2-Nitro-6-((4-(trifluoromethoxy)benzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine | (S)-Pa 824 | 5H-Imidazo[2,1-b][1,3]oxazine, 6,7-dihydro-2-nitro-6-[[4-(trifluoromethoxy)phenyl]methoxy]-(6S)- | PA-824 and Pretomanid